How long can the face of the queen of Iraq turn white?

28 days. According to Query 39 Health Network, 28 days is a metabolic cycle of the skin. Wang Yiren is a wild herb, which is rich in vitamins, protein and other nutrients, and has the effect of removing spots and whitening skin. Wang Yiren has a high content of vitamin E, which can nourish the skin and promote the metabolism of the skin, thus achieving the effect of whitening.